Technical SEO · 16 Sep 2026
Pages Not Served over HTTPS: What to Check
The HTTPS check follows the measured final URL, so an HTTP destination after a redirect is still an insecure page response.
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Practical guides for the SEO findings NOTABIS measures. Learn what an issue means, how to verify it, when it is intentional, and how to fix it safely.
Technical SEO · 16 Sep 2026
The HTTPS check follows the measured final URL, so an HTTP destination after a redirect is still an insecure page response.
Read guide →Technical SEO · 16 Sep 2026
A soft 404 combines missing-page content with a success response or generic redirect; use manual evidence because NOTABIS has no dedicated soft-404 rule.
Read guide →Technical SEO · 16 Sep 2026
Diagnose common 5xx response classes, their effect on crawlability, and the infrastructure evidence needed to fix them.
Read guide →Technical SEO · 16 Sep 2026
Understand authentication and permission responses, and separate intentional private routes from accidental crawler or edge blocking.
Read guide →Technical SEO · 16 Sep 2026
Choose between 404 and 410 for missing or deliberately removed URLs, and keep links and sitemaps aligned with the decision.
Read guide →Technical SEO · 16 Sep 2026
Learn how 2xx, 3xx, 4xx, and 5xx responses describe a URL and how to read them with redirect and page evidence.
Read guide →Technical SEO · 16 Sep 2026
Canonical tags identify a preferred URL among similar variants. NOTABIS checks presence, duplicates, origin, redirects, noindex conflicts, and duplicate content as separate signals.
Read guide →Technical SEO · 16 Sep 2026
A fetch failure means NOTABIS could not complete a queued URL request after its request attempts ended in an exception. It is distinct from a received HTTP error or edge challenge.
Read guide →Technical SEO · 16 Sep 2026
NOTABIS reports charset-missing when measured HTML has neither a meta charset nor an http-equiv content-type declaration. Check the server header and actual bytes as well.
Read guide →Technical SEO · 16 Sep 2026
Mixed content is an HTTPS page that references an HTTP resource. NOTABIS scans src and href attributes for absolute HTTP values and records the references it finds.
Read guide →Technical SEO · 16 Sep 2026
NOTABIS reports a meta-refresh element in measured HTML. Use a direct server redirect for URL moves when possible, and reserve refreshes for cases with a clear user-facing reason.
Read guide →Technical SEO · 16 Sep 2026
NOTABIS reports canonical-redirect-conflict when a page’s measured canonical differs from the URL reached after redirects. Align the final URL, canonical, links, and sitemap where appropriate.
Read guide →Technical SEO · 16 Sep 2026
NOTABIS flags a canonical that resolves to a different origin from the audited site. Cross-origin canonicals can be deliberate, but they need a clear consolidation reason.
Read guide →Technical SEO · 16 Sep 2026
NOTABIS reports multiple-canonical-tags when a measured page contains more than one canonical link element. Remove accidental duplicates and verify the surviving target.
Read guide →Technical SEO · 16 Sep 2026
The no-pages finding means an audit measured no crawlable HTML pages and was not classified as edge-blocked. Investigate access, routing, responses, authentication, and robots policy before drawing SEO conclusions.
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